Jumping jack
Also called star jump, jumping jacks
- Works
- Heart and lungs · cardiovascular system
- Calves · gastrocnemius and soleus
- Side of the shoulder · lateral deltoid
- Needs
- No equipment
Setup
Stand with feet together and arms by your sides.
Steps
- Jump your feet apart and lift your arms out and over your head.
- Jump back to the start.
- Keep a steady rhythm. Each jump out and back counts as one rep.
- Step out instead of jumping to make it gentler.
Breathing
Breathe in a steady rhythm. At an easy pace you can still say a short sentence.
Where you feel it
In your calves, shoulders and breathing.
Common mistakes
- Landing on straight legs.
- Letting the knees fall inward.
When to stop
Stop if you feel sharp pain, pain in a joint, dizziness or numbness.